$OpenBSD: patch-chrome_browser_speech_tts_controller_impl_cc,v 1.7 2017/04/19 05:16:47 robert Exp $
--- chrome/browser/speech/tts_controller_impl.cc.orig.port	Fri Dec  2 00:02:08 2016
+++ chrome/browser/speech/tts_controller_impl.cc	Fri Dec  2 17:44:52 2016
@@ -347,9 +347,13 @@ int TtsControllerImpl::QueueSize() {
 }
 
 TtsPlatformImpl* TtsControllerImpl::GetPlatformImpl() {
+#if defined(OS_BSD)
+  return NULL;
+#else
   if (!platform_impl_)
     platform_impl_ = TtsPlatformImpl::GetInstance();
   return platform_impl_;
+#endif
 }
 
 int TtsControllerImpl::GetMatchingVoice(
